CN201349169Y - Permanent magnet synchronous motor with rotating transformer - Google Patents
Permanent magnet synchronous motor with rotating transformer Download PDFInfo
- Publication number
- CN201349169Y CN201349169Y CNU2008202140393U CN200820214039U CN201349169Y CN 201349169 Y CN201349169 Y CN 201349169Y CN U2008202140393 U CNU2008202140393 U CN U2008202140393U CN 200820214039 U CN200820214039 U CN 200820214039U CN 201349169 Y CN201349169 Y CN 201349169Y
- Authority
- CN
- China
- Prior art keywords
- resolver
- rotating transformer
- stator
- synchronous motor
- end cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model provides a permanent magnet synchronous motor with a rotating transformer, which comprises a stator, a rear end cover and a rotating transformer, wherein the rear end cover is placed at one end of a transformer casing, the rotating transformer shares one shaft with the stator, and the rotating transformer is arranged at the stretching ends of the stator and the rear end cover along the axial direction. The permanent magnet synchronous motor has the advantages that under the condition that all functions of the rotating transformer are ensured to be unaffected, the rotating transformer mounted outside a motor casing can be arranged, replaced and repaired more conveniently. Simultaneously, the distance between the rotating transformer and a stator winding is increased, which avoids mutual interference between a magnetic field generated by the stator of the rotating transformer and a magnetic field generated by the stator winding, thereby greatly reducing error-reporting probability of the rotating transformer and further enhancing reliability of the rotating transformer.
Description
Technical field
The utility model relates to a kind of permagnetic synchronous motor, relates in particular to a kind of permagnetic synchronous motor that includes resolver.
Background technology
Resolver can be used for transmitting the corner or the signal of telecommunication in synchro system and digital servosystem, can be used as the usefulness of resolving of function in resolver, so be called solver again.Though the structure of resolver is different with common transformer with profile, its basic functional principle is just the same, and stator winding is equivalent to the primary coil of common transformer, and the rotor winding is equivalent to secondary coil, and rotor can rotate with respect to stator.In the prior art, resolver is installed on the stator rear end usually, less apart from stator line bag distance, easy and stator field produces induction, to revolving the accuracy generation influence to a certain degree of varying signal, and, promptly between stator and the end cap, make its installation and maintenance comparatively complicated because resolver is installed on motor case inside.
The utility model content
At usually resolver being installed and motor case inside in the prior art, make for all difficult problem of carrying out of the installation and maintenance of resolver, the utility model provides a kind of resolver to be installed on the motor case outside, has the permagnetic synchronous motor of all more convenient band resolver of higher reliability and installation and maintenance.
The technical solution of the utility model is: a kind of permagnetic synchronous motor with resolver, comprise: rotor, place the rear end cap of casing one end, and with the resolver of described rotor coaxial, wherein, described resolver is installed in described rotor and rear end cap elongated end vertically.
The utility model is by being installed on the motor case outside with described resolver, guaranteeing under the impregnable situation of the every performance of resolver, comparatively convenient for its installation and replacing maintenance, simultaneously, owing to increased the distance between resolver and the stator winding, thereby the magnetic field that the stator that has guaranteed resolver produces can not interfered mutually with the magnetic field that stator winding produces, thereby make the probability that reports an error of resolver reduce greatly, and then make the reliability of resolver be improved.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the present utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the utility model is described in further detail.
In prior art, resolver is installed on stator 2 rear ends of casing 3 inside usually, less apart from stator 2 windings distance, easy and stator 2 magnetic fields produce induction, thereby the accuracy of revolving varying signal is produced the to a certain degree defective of influence, the utility model provides a kind of permagnetic synchronous motor with resolver, and this motor is installed on casing 3 rear end caps 5 outsides with resolver stator 6, and resolver rotor 4 is installed on the motor rotation axis 1.For this kind installation, because certain separated magnetic effect is played in the existence of back end cover for motor 5, and increased the distance between resolver and the stator winding, thereby the magnetic field that has guaranteed 6 generations of resolver stator can not interfered mutually with the magnetic field that stator 2 windings produce, and makes the probability that reports an error of resolver reduce greatly.Simultaneously, because resolver places motor case 3 outsides, therefore make that the installation and maintenance of resolver is convenient.
A kind of permagnetic synchronous motor that the utility model provides with resolver, comprise: rotor 9, place the rear end cap 5 of casing 3 one ends, and the resolver coaxial with described rotor 9, wherein, described resolver is installed in described rotor 9 and rear end cap 5 elongated end vertically.
In order to protect described resolver not to be subjected to extraneous interference and infringement; and described resolver is anchored on the casing 3 of permagnetic synchronous motor of described band resolver; the permagnetic synchronous motor of the novel band resolver that provides of this usefulness also comprises revolving and becomes end cap 7; described revolving becomes end cap 7 and is installed on described resolver and is connected towards the opposite side of described stator 2 and rotor 9 one sides and with described casing 3, in order to fix on described resolver and the described casing 3.
According to a kind of embodiment of the present utility model, described revolve become end cap 7 also include with described resolver on the installing component that is provided with at least one boss 8 one to one, for example, described boss 8 can be 6, described 6 boss 8 distribute around the described planar central that becomes end cap 7 of revolving, then the edge between each boss 8 is revolved the angle that becomes end cap 7 and is 60 °, the corresponding one by one coupling of installing component that is provided with on its 6 boss 8 and the described resolver, in order to fixing described resolver, and described resolver passes through bolt with the described change end cap that revolves.Yet, boss 8 described herein and be preferred implementation of the present utility model obviously by bolted mode, be not to be restriction the utility model, those skilled in the art are not difficult to expect, by additive method and approach equally also can described resolver is fixing with the casing 3 of described permagnetic synchronous motor on, for example, the mode or the like by welding.
Described resolver is installed on the particular location of described permagnetic synchronous motor rear end cap 5 outsides, can be determined by model, size and the job requirement of concrete permagnetic synchronous motor and resolver, also can choosing dress transformer, feasible easier being guaranteed of consistency of revolving change be installed according to the different demand of each producer.
Compare with prior art and relevant patent, the permagnetic synchronous motor of the band resolver that the utility model provides has following advantage:
1, the utility model can better guarantee the performance of resolver;
2, make things convenient for the assembling of resolver and replacing to safeguard, damage the situation of motor bearings in the time of can not occurring changing resolver;
3, guaranteed the consistency of resolver zero-bit.
At usually resolver being installed and motor case inside in the prior art, make for all difficult problem of carrying out of the installation and maintenance of resolver, the utility model is by being installed on described resolver motor case 3 outsides, guaranteeing under the impregnable situation of the every performance of resolver, comparatively convenient for its installation and replacing maintenance, simultaneously, owing to increased the distance between resolver and the stator winding, thereby the magnetic field that the stator 2 that has guaranteed resolver produces can not interfered mutually with the magnetic field that stator winding produces, thereby make the probability that reports an error of resolver reduce greatly, and then make the reliability of resolver be improved.
More than lift preferred embodiment; the purpose of this utility model, technical scheme and advantage are further described; institute is understood that; the above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all within spirit of the present utility model and principle; any modification of being done, be equal to replacement, improvement etc.; all should be included within the protection range of the present utility model; the interest field that the utility model is advocated should be as the criterion so that the utility model application scope is described, but not only limits to the foregoing description.
Claims (4)
1, a kind of permagnetic synchronous motor with resolver, comprise: rotor, place the rear end cap of casing one end, and with the resolver of described rotor coaxial, it is characterized in that described resolver is installed in described rotor and rear end cap elongated end vertically.
2, permagnetic synchronous motor according to claim 1 is characterized in that, also comprises revolving the change end cap, and the described change end cap that revolves is installed on the opposite side of described resolver towards described rotor one side, and is connected with casing, in order to fastening described resolver.
3, permagnetic synchronous motor according to claim 2 is characterized in that, described revolve become end cap also include with described resolver on the installing component that is provided with at least one boss one to one.
4, permagnetic synchronous motor according to claim 3 is characterized in that, described resolver and the described change end cap that revolves pass through bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202140393U CN201349169Y (en) | 2008-11-27 | 2008-11-27 | Permanent magnet synchronous motor with rotating transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202140393U CN201349169Y (en) | 2008-11-27 | 2008-11-27 | Permanent magnet synchronous motor with rotating transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201349169Y true CN201349169Y (en) | 2009-11-18 |
Family
ID=41368632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202140393U Expired - Lifetime CN201349169Y (en) | 2008-11-27 | 2008-11-27 | Permanent magnet synchronous motor with rotating transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201349169Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226958A (en) * | 2011-03-11 | 2011-10-26 | 深圳市五洲龙汽车有限公司 | Rotary transformer fixed structure and hybrid electric vehicle |
| CN102255440A (en) * | 2010-05-21 | 2011-11-23 | 上海华银电器有限公司 | Installation method of rotary transformer used for permanent magnet synchronous motor |
| CN107302288A (en) * | 2016-04-01 | 2017-10-27 | 舍弗勒技术股份两合公司 | Hub driver |
| CN114039456A (en) * | 2021-10-14 | 2022-02-11 | 智新科技股份有限公司 | Electromagnetic anti-interference motor |
-
2008
- 2008-11-27 CN CNU2008202140393U patent/CN201349169Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255440A (en) * | 2010-05-21 | 2011-11-23 | 上海华银电器有限公司 | Installation method of rotary transformer used for permanent magnet synchronous motor |
| CN102255440B (en) * | 2010-05-21 | 2013-03-06 | 上海华银电器有限公司 | Installation method of rotary transformer used for permanent magnet synchronous motor |
| CN102226958A (en) * | 2011-03-11 | 2011-10-26 | 深圳市五洲龙汽车有限公司 | Rotary transformer fixed structure and hybrid electric vehicle |
| CN102226958B (en) * | 2011-03-11 | 2013-03-13 | 深圳市五洲龙汽车有限公司 | Rotary transformer fixed structure and hybrid electric vehicle |
| CN107302288A (en) * | 2016-04-01 | 2017-10-27 | 舍弗勒技术股份两合公司 | Hub driver |
| CN114039456A (en) * | 2021-10-14 | 2022-02-11 | 智新科技股份有限公司 | Electromagnetic anti-interference motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091118 |
|
| CX01 | Expiry of patent term |